Ments



V(Mode1.)

J. K- CLARK. LATCH.

No. 472,430. Patented Apr. 5, 1892.

UNITED STATES PATENT OFFIcE.

JOHN K. CLARK, OF BUFFALO, NEW YORK, ASSIGNOR, BY MESNE ASSIGN- MENTS,TO MARY K. CLARK, OF SAME PLACE.

LATCH.

SPECIFICATION forming part of Letters Patent No. 472,430, dated April 5,1892.

Application filed November 25, 1891. Serial No. 413,104. (ModeL) To allwhom it may concern.-

Be it known that 1, JOHN K. CLARK, a citizen of the United States,residing at Buffalo, in the county of Erie and State of New York,

have invented new and useful Improvements in Rim-Latch Locks, of whichthe following is a specification.

This invention has for its object to provide a novel, simple, eflicient,and economical rim- IO latch lock wherein a suspended handle pivotallyconnected with the face-plate of the latch-casing can be operated tolift the latch by a simple pulling action.

The invention consists, essentially, in the combination,with alatch-lock casing having an interior slide or bolt and an orifice in itsfront wall and a latch-dog pivoted in the casing to swing in a verticalplane, of a suspended drop-handle pivotally connected with thelatch-casing, and an arm extending through the orifice in thelatch-casing and bearing against the tail end of the latch-dog to liftthe latter when the drophandle is operated.

The invention is illustrated by the accompanying drawings, in which-Figure 1 is a perspective View of a rimlatch lock constructed inaccordance witl my invention. Fig. 2 is a perspective view of a 0 keeperor striker adapted for use in connection with the latch-lock. Fig. 3 isa detail perspective view of the latch-lock, omitting the drop-handle.Fig. 4: is a detail perspective view of the drop-handle; and Fig. 5 is a3 5 rear elevation of the latch-lock, omitting the back cover-plate forthe purpose of illustrating the internal arrangement of parts.

In order to enable those skilled in the art to make and use myinvention, I will now 40 describe the same in detail, referring to thedrawings, Wherein The numeral 1 indicates the latch-lock casing having arim or flange 2, provided with screw-holes by which to attach it to theexte- 5 rior surface of a door. The latch-dog 3 is pivoted intermediateits extremities Within the latch-casing through the medium of apivot-pin 4 in such manner as to provide the latch-dog with a tail-piece5 and a nose 6, adapted to engage a. suitable keeper or striker 7. Thelatch-dog is normally pressed downward by a spring 8, for the purpose ofholding the nose 6 in proper position to engage the keeper or striker,and the latch-dog is adapted to be looked through the medium of ahorizontal slide or bolt 9, adapted to be moved back and forth throughthe medium of a suitable key and having an upwardly-pro jecting arm 10,which can be moved beneath the tail-piece 5 of the latch-dog for thepur- 6o pose of holding the latter in its locking position.

The faceplate of thelatch-casing is formed at its upperend portion witha pair of outwardlyprojecting ears or lugs 12, between which is arrangedthe cylindrical portion 13 of a loop-shaped drop-handle 14. Thecylindrical portion 13 of the handle is retained in proper position by ahorizontal pivot-pin 15, extending through the ears or lugs 12 andthrough such cylindrical portion in such manner that the handle can beswung in a vertical plane while it will normally hang pendcut, asrepresented in Fig. 1.

The faceplate of the latch-casing is formed with an orifice 16,suitablyarranged ata point above the tail end 5 of the latch-dog 3, andone extremity of the cylindrical portion 13 of the drop-handle 14 isformed integral with a projecting arm or finger 17, which extendsthrough the orifice 16 and bears against the tail-piece of thelatch-dog. so that when the drop-handle is swung in an upward direction,as in the act of pulling the door open, the

arm or finger 17 will depress the tail-piece of 8 5 the latch-dog andelevate the nose thereof from engagement with the keeper or striker.

I do not confine myself to the exact construction and arrangement ofparts, as the arm or finger 17 may be otherwise arranged, so long as itprojects through an orifice in the face-plate of the latch-casin g andis moved by the operation of the drop-handle for the purpose ofdepressing the tail end of the latchdog to elevate the nose thereof fromengage- 5 ment with a keeper or striker. 5

Having thus described my invention, What I claim is The combination,with a rim-latch lockcasing having an interior slide or bolt and anorifice in its front wall, and a latch-dog pivoted intermediate itsextremities within the casing to swing in a vertical plane, of a Intestimony whereof I have hereunto set drop -11and1e pivotaiiy connectedwith the my hand and aflixed my seal in presence of face-plate of thelatch-casing, and an arm extwo subscribing Witnesses.

tending through the orifice in the latch-cits JOHN K. CLARK. [L. 3.] 5iug and bearing against the tail-piece 0f the Witnesses:

hitch-dog to lift the latter when the drop- KIMBALL V. CLARK,

handle is operated, substantially as described. ALBERT A. HENNINGI-IAM.

